26.II.1945
The school was opened again.
26.VIII.1948
As a result of a reform in education system, a uniform high school with classes VIII-IX was introduced.
1957
Return to use a school building in Śląska Street connected with a hall-gymnasium.
5-6.VII.1958
The first in the history of school pupil´ s convention from a former Men Secondary School named after T.Kościuszko and a Private Girls´ School named after Pelagia Zasadzińska in Wieluń on the occasion of a 50th year school anniversary.
1.IX.1964
Return to use a new building – a dormitory at 23 Śląska Street
16.II.1964
Conveyance of a new school banner from Parents Panel
1.IX.1997
Return to use a new school building in Nadodrzańska Street
The history of school was worked out by Jarosław Mazur M.A..
